FP-923 is approved to AMS-2644E as a fluorescent (Type 1); Methods “A”, and “C”; sensitivity level 3 water wash inspection penetrant. For Method “C”applications it is used with E-59, E-59A, R-503, and R-504.
FP-923 is applied by immersion, spray, or wipe on. It is approved for high sensitivity aerospace applications. FP-923 is listed on the Qualified Products List for AMS-2644E. It meets the requirements of AMS-
2647C, ASME Boiler and Pressure Vessel Code, ASTM E-165, and ASTM E-1417, and for penetrant inspection materials. It is low in sulfur and halogens and is safe for use on all metal surfaces.
